621562341 has 8 divisors (see below), whose sum is σ = 829176480. Its totient is φ = 414161552.

The previous prime is 621562309. The next prime is 621562379. The reversal of 621562341 is 143265126.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 621562341 - 2⁵ = 621562309 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 621562299 and 621562308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621562141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46410 + ... + 58283.

It is an arithmetic number, because the mean of its divisors is an integer number (103647060).

Almost surely, 2^621562341 is an apocalyptic number.

It is an amenable number.

621562341 is a deficient number, since it is larger than the sum of its proper divisors (207614139).

621562341 is a wasteful number, since it uses less digits than its factorization.

621562341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106675.

The product of its digits is 8640, while the sum is 30.

The square root of 621562341 is about 24931.1520191105. The cubic root of 621562341 is about 853.4175400945.

The spelling of 621562341 in words is "six hundred twenty-one million, five hundred sixty-two thousand, three hundred forty-one".